Add release support for map files.

build/release.js

@@ -13,7 +13,7 @@ var fs = require("fs"),
 
 var releaseVersion,
 	nextVersion,
-	finalFiles,
+	CDNFiles,
 	isBeta,
 	pkg,
 	branch,
@@ -28,14 +28,18 @@ var releaseVersion,
 
 	devFile = "dist/jquery.js",
 	minFile = "dist/jquery.min.js",
+	mapFile = "dist/jquery.min.map",
 
 	releaseFiles = {
 		"jquery-VER.js": devFile,
 		"jquery-VER.min.js": minFile,
+		"jquery-VER.min.map": mapFile,
 		"jquery.js": devFile,
-		"jquery-latest.js": devFile,
 		"jquery.min.js": minFile,
-		"jquery-latest.min.js": minFile
+		"jquery.min.map": mapFile,
+		"jquery-latest.js": devFile,
+		"jquery-latest.min.js": minFile,
+		"jquery-latest.min.map": mapFile
 	};
 
 steps(
@@ -93,6 +97,7 @@ function initialize( next ) {
 	nextVersion = major + "." + minor + "." + ( isBeta ? patch : +patch + 1 ) + "pre";
 	next();
 }
+
 function checkGitStatus( next ) {
 	git( [ "status" ], function( error, stdout, stderr ) {
 		var onBranch = ((stdout||"").match( /On branch (\S+)/ ) || [])[1];
@@ -108,12 +113,14 @@ function checkGitStatus( next ) {
 		next();
 	});
 }
+
 function tagReleaseVersion( next ) {
 	updatePackageVersion( releaseVersion );
 	git( [ "commit", "-a", "-m", "Tagging the " + releaseVersion + " release." ], function(){
 		git( [ "tag", releaseVersion ], next, debug);
 	}, debug);
 }
+
 function gruntBuild( next ) {
 	exec( gruntCmd, [], function( error, stdout ) {
 		if ( error ) {
@@ -123,28 +130,48 @@ function gruntBuild( next ) {
 		next();
 	}, debug);
 }
+
 function makeReleaseCopies( next ) {
-	finalFiles = {};
+	CDNFiles = {};
 	Object.keys( releaseFiles ).forEach(function( key ) {
-		var builtFile = releaseFiles[ key ],
+		var text,
+			builtFile = releaseFiles[ key ],
 			releaseFile = key.replace( /VER/g, releaseVersion );
 
 		// Beta releases don't update the jquery-latest etc. copies
 		if ( !isBeta || key !== releaseFile ) {
+
+			if ( /\.map$/.test( releaseFile ) ) {
+				// Map files need to reference the new uncompressed name;
+				// assume that all files reside in the same directory.
+				// "file":"jquery.min.js","sources":["jquery.js"]
+				text = fs.readFileSync( builtFile, "utf8" )
+					.replace( /"file":"([^"]+)","sources":\["([^"]+)"\]/,
+						"\"file\":\"" + releaseFile.replace( /\.min\.map/, ".min.js" ) +
+						"\",\"sources\":[\"" + releaseFile.replace( /\.min\.map/, ".js" ) + "\"]" );
+				console.log( "Modifying map " + builtFile + " to " + releaseFile );
+				if ( !debug ) {
+					fs.writeFileSync( releaseFile, text );
+				}
+			} else {
 				copy( builtFile, releaseFile );
-			finalFiles[ releaseFile ] = builtFile;
+			}
+
+			CDNFiles[ releaseFile ] = builtFile;
 		}
 	});
 	next();
 }
+
 function setNextVersion( next ) {
 	updatePackageVersion( nextVersion );
 	git( [ "commit", "-a", "-m", "Updating the source version to " + nextVersion ], next, debug );
 }
+
 function uploadToCDN( next ) {
 	var cmds = [];
 
-	Object.keys( finalFiles ).forEach(function( name ) {
+	Object.keys( CDNFiles ).forEach(function( name ) {
 		cmds.push(function( nxt ){
 			exec( "scp", [ name, scpURL ], nxt, debug || skipRemote );
 		});
@@ -156,6 +183,7 @@ function uploadToCDN( next ) {
 	
 	steps.apply( this, cmds );
 }
+
 function pushToGithub( next ) {
 	git( [ "push", "--tags", repoURL, branch ], next, debug || skipRemote );
 }
@@ -166,10 +194,12 @@ function steps() {
 	var cur = 0,
 		steps = arguments;
 	(function next(){
-		var step = steps[ cur++ ];
-		step( next );
+		process.nextTick(function(){
+			steps[ cur++ ]( next );
+		});
 	})();
 }
+
 function updatePackageVersion( ver ) {
 	console.log( "Updating package.json version to " + ver );
 	pkg.version = ver;
@@ -177,15 +207,18 @@ function updatePackageVersion( ver ) {
 		fs.writeFileSync( "package.json", JSON.stringify( pkg, null, "\t" ) + "\n" );
 	}
 }
+
 function copy( oldFile, newFile ) {
 	console.log( "Copying " + oldFile + " to " + newFile );
 	if ( !debug ) {
 		fs.writeFileSync( newFile, fs.readFileSync( oldFile, "utf8" ) );
 	}
 }
+
 function git( args, fn, skip ) {
 	exec( "git", args, fn, skip );
 }
+
 function exec( cmd, args, fn, skip ) {
 	if ( skip ) {
 		console.log( "# " + cmd + " " + args.join(" ") );
@@ -202,10 +235,12 @@ function exec( cmd, args, fn, skip ) {
 		);
 	}
 }
+
 function die( msg ) {
 	console.error( "ERROR: " + msg );
 	process.exit( 1 );
 }
+
 function exit() {
 	process.exit( 0 );
 }